Electric double-layer capacitors using HClO4-doped silica gels as a solid electrolyte

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作者：

Osaka Prefecture Univ, Osaka, Japan ^{[1
]}

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来源：

Solid State Ionics | / 97-102期

基金：

日本学术振兴会;

关键词：

Activated carbon - Capacitance - Capacitors - Chlorine compounds - Doping (additives) - Electric conductivity of solids - Electrodes - Polyvinyl alcohols - Powders - Sol-gels - Solid electrolytes - Solid state devices;

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摘要：

Electric double-layer capacitors were fabricated using polyvinyl alcohol-containing silica gels doped with HClO4 as an electrolyte and activated carbon powders, ACP, hybridized with the silica gels as a polarizable electrode. One of the capacitors fabricated had capacitance of 44 F/(gram of total ACP in the capacitor) at room temperature. The large capacitance of the totally solid state electric double-layer capacitors fabricated is ascribed to the high proton conductivity of the gels and the homogeneous hybridization of ACP with the gels by the sol-gel process.

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